Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 12.70
Milk (kg) -257.00 -0.014 3.60
Fat (kg) -13.44 -0.375 5.03
Prot (kg) -9.21 -0.441 4.06
Fertility Sub Index 1.37
Calving Interval (days) -0.50 -1.459 0.73
Survival (%) 0.57 1.117 0.64
Calving Sub Index -1.88
Gestation Length (days) 2.04 -0.919 -1.88
Beef Sub Index -2.89
Carcass Weight (kg) 4.10 -0.528 -2.16
Age of Slaughter (days) 1.68 -0.432 -0.73
Maintenance Sub Index Maint. Sub Index 1.07
Live WT (kg) -3.50 -0.307 1.07
Total Carbon Sub Index 10.37

* Based on an €80/tonne carbon price